My car rolled over 300,000 miles yesterday! It runs great and has been relatively low-cost to keep maintained. The anti-lock system wasn't designed to last, and has subsequently shut itself down due to multiple bad sensors (I'm actually relieved)...it never worked all that spectacularly when it was working properly. Rust is minimal, given that we drive it year-round and I'm not super-meticulous about washing it. Transmissions last about 220,000 miles. I'm still on the original shocks/struts and springs...still no boat-like behavior. Front-end alignments last for quite a while...its built strong to withstand Michigan's dubious road conditions. GM built its consumer and police versions on the same platform and it shows--super-sturdy!